package com.hubu.jwxt.dao;

import com.hubu.jwxt.beans.SingleSubject;
import com.hubu.jwxt.beans.Student;
import com.hubu.jwxt.beans.Teacher;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;

@Mapper
public interface StudentDAO {

    public Student selectByNum(String studentnum);

    public List<SingleSubject> selectByPage(int start, int num, int Cid);

    //查询该课程学生总数
    public int selectCount(int Cid);

    public int updateGrade(String Sname,int Cid,String grade);

}
